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- Title
Observation of absorption Fraunhofer lines in the sky with a digital spectrophotometer.
- Authors
Indelicato, Valeria; La Rocca, Paola; Riggi, Francesco; Santagati, Gianluca; Zappalà, Gaetano
- Abstract
Digital spectrophotometers allow a variety of educational measurements of emission and absorption spectra of light sources. As an example we report the observation of the most prominent Fraunhofer lines from the sky, due to absorption either by chemical elements in the Sun or to molecules in the Earth atmosphere. The measurements can be carried out with a simple digital spectrophotometer - now available at a reasonable cost - as an educational activity for college or undergraduate physics students.
- Subjects
FRAUNHOFER lines; SPECTROPHOTOMETERS; ABSORPTION spectra; LIGHT sources; ATMOSPHERE; PHYSICS students
- Publication
Latin-American Journal of Physics Education, 2013, Vol 7, Issue 4, p578
- ISSN
1870-9095
- Publication type
Article